31200141 has 8 divisors (see below), whose sum is σ = 47543104. Its totient is φ = 17828640.

The previous prime is 31200137. The next prime is 31200179. The reversal of 31200141 is 14100213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31200141 - 2² = 31200137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742840 + ... + 742881.

It is an arithmetic number, because the mean of its divisors is an integer number (5942888).

Almost surely, 2^31200141 is an apocalyptic number.

It is an amenable number.

31200141 is a deficient number, since it is larger than the sum of its proper divisors (16342963).

31200141 is a wasteful number, since it uses less digits than its factorization.

31200141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485731.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 31200141 is about 5585.7086390180. The cubic root of 31200141 is about 314.8126575619.

Adding to 31200141 its reverse (14100213), we get a palindrome (45300354).

The spelling of 31200141 in words is "thirty-one million, two hundred thousand, one hundred forty-one".